#app{
    margin: auto;
    width: 1519px;
}
*{
    margin: 0;
    padding: 0;
    text-decoration: none;
    list-style: none;
}
@font-face {
    font-family: "iconfont"; /* Project id 2866270 */
    src: url('../icon/iconfont.woff2?t=1634133264253') format('woff2'),
    url('../icon/iconfont.woff?t=1634133264253') format('woff'),
    url('../icon/iconfont.ttf?t=1634133264253') format('truetype');
}

.iconfont {
    font-family: "iconfont", serif !important;
    font-size: 16px;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
.logo{
    width: 200px;
    height: 90px;
    margin-bottom: 20px;
}
.head{
    display: flex;
    margin: 0 220px;
    justify-content: space-between;
    align-items: center;
}
.head-right-list{
    display: flex;
}
.head-right-list li{
    margin: 0 25px;
}
.bigScreen{
}
.screen{
    width: 100%;
    height: 300px;
}
.center{
    margin: 20px 220px 0;
}
.center-head{
    border-bottom: solid 1px grey;
    padding-bottom: 7px;
    margin-bottom: 10px;
}
.center-head-list{
    display: flex;
}
.center-head-list li{
    margin: 0 5px;
}
.center-content{
    display: flex;
}
.sideBar{
    background: rgb(245,245,245);
    height: 540px;
    margin-right: 35px;
}
.sideBar-list li{
    width: 200px;
    height: 55px;
    border-bottom: solid 1px white;
    display: flex;
}
.side{
    width: 5px;
    height: 100%;
    background: rgb(146,146,146);
}
.list-content{
    padding: 14px 65px;
}
.content-title{
    text-align: center;
    padding: 0 250px;
}
.content-pic{
    display: flex;
}
.img{
    width: 210px;
    height: 164px;
}
.content-picture{
   margin: 0 106px;
}
.content-con{
    margin-top: 15px;
    font-size: 16px;
    color: rgb(85,85,85);
    line-height: 30px;
    text-indent: 2em;
}
.bottom{
    width: 100%;
    height: 200px;
    background: rgb(226,226,225);
}
.bottom-content{
    text-align: center;
    padding: 58px 648px;
    color: rgb(127,127,127);
}
p{
    margin: 5px 0;
}